102312221112120 has 32 divisors (see below), whose sum is σ = 306936663336720. Its totient is φ = 27283258963200.

The previous prime is 102312221112119. The next prime is 102312221112149. The reversal of 102312221112120 is 21211122213201.

It is a super-2 number, since 2×102312221112120² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426300921181 + ... + 426300921420.

Almost surely, 2^{102312221112120} is an apocalyptic number.

102312221112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102312221112120 is an abundant number, since it is smaller than the sum of its proper divisors (204624442224600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102312221112120 is a wasteful number, since it uses less digits than its factorization.

102312221112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852601842615 (or 852601842611 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 102312221112120 its reverse (21211122213201), we get a palindrome (123523343325321).

The spelling of 102312221112120 in words is "one hundred two trillion, three hundred twelve billion, two hundred twenty-one million, one hundred twelve thousand, one hundred twenty".